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Synonyms for challenge

Synonyms for challenge

an act of taunting another to do something bold or rash


behavior or an act that is intentionally provocative

to call on another to do something requiring boldness


to confront boldly and courageously

to come near, as in quality or amount

to express opposition, often by argument

to take a stand against

Synonyms for challenge

a demanding or stimulating situation

questioning a statement and demanding an explanation

a formal objection to the selection of a particular person as a juror

Related Words

a demand by a sentry for a password or identification

Related Words

take exception to

ask for identification

raise a formal objection in a court of law

References in periodicals archive ?
Table 2 Baseline variables and subsequent change in stroke volume Patient BNP (pg/ml) FTc (ms) CVP (mmHg) [DELTA]SV % 1 407 377 7 0 2 167 509 6 -11 3 264 314 16 16 * 4 227 280 2 27 * 5 157 258 4 22 * 6 7 239 3 17 * 7 386 393 11 -10 8 2757 416 11 4 9 57 308 12 2 10 77 352 1 11 BNP=plasma B-type natriuretic peptide concentration, FTc=Doppler corrected flow time, CVP = central venous pressure, [DELTA]SV %=percent change in stroke volume following fluid challenge.
Patient selection: The clinical decision for a fluid challenge is often used as an eligibility criterion.
Conversely, sternotomy (open chest conditions) increases cardiac preload, decreases stroke volume variation and probably decreases the sensitivity of the heart to fluid challenge.
Timing of intervention: Ventricular function influences response to fluid challenge and is not constant in critically ill patients.
Timing of assessment Although not always specified, many studies evaluate response to fluid challenge immediately following or soon after the completion of the fluid infusion (16,46,62,67-73).
Moreover, additional research is warranted with regard to defining which patients need fluid challenge in terms of clinical benefit.
Measurements of right ventricular volumes during fluid challenge.
Respiratory variations in right atrial pressure predict the response to fluid challenge.